@Book{sitereport_122786,
 author = "間宮, 正光 and 米川, 暢敬",
 title = "長者山城跡（第4地点第2次）",
 volume = "",
 publisher = "水戸市教育委員会",
 year = 2020,
 series = "水戸市埋蔵文化財調査報告",
 number = "118",
 url = https://sitereports.nabunken.go.jp/122786,
 }